Word: microanalyst
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...April 21, 1988, under the gaze of Anastasio Cardinal Ballestrero of Turin and a video camera, Italian microanalyst Giovanni Riggi cut a 1/2-in. by 3-in. strip of linen from the shroud, well away from its central image and any charred or patched areas. He divided the strip into three postage stamp-size samples and distributed them to representatives of laboratories in Zurich, Oxford and the University of Arizona in Tucson. Each then performed at least three radiocarbon measurements on its sample...
...flashed through Garza-Valdes' mind. What if the shroud too had a "bioplastic" varnish--and the labs had been fooled into decreeing an object younger than it actually was? In May 1993 Garza-Valdes traveled to Turin, microscope in hand, and was put in touch with Giovanni Riggi, the microanalyst who had parceled out the 1988 samples. Riggi let Garza-Valdes examine a tiny piece of shroud that he assured him came from the same batch. Sure enough, Garza-Valdes discovered a bioplastic film. "I knew immediately that the coating was there," he says. Riggi gave him a couple...
More evidence for the prosecution came from Georgia Crime Lab Microanalyst Larry Peterson. A purple thread from Williams' bedspread, a green fiber from his bedroom rug and several hairs from his pet German shepherd, said Peterson, showed "no significant microscopic difference" from fibers found in Cater's hair. Police have long hinted at the importance of this "trace evidence," and last week said that their findings had been confirmed by forensic experts from the Florida Department of Law Enforcement and the Royal Canadian Mounted Police. None of this seemed to impress Defense Attorney Welcome. Said she to reporters...
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